The on JOIN and on PART events trigger when a user joins or parts a channel.
Format: on <level>:JOIN:<#[,#]>:<commands>
Example: on 1:JOIN:#mirc,#irchelp:/msg $nick hiya!
Examples
on 1:JOIN:#:/msg $chan Welcome $nick
This triggers when any user joins any channel which you are on.
on 5:PART:#mIRC,#newbies:/describe $chan waves bye-bye to $nick *sniff*
This triggers when a user with access level 5 leaves channels #mIRC or #newbies.

Note that adblockers might block our captcha, and other functionality on BHW so if you don't see the captcha or see reduced functionality please disable adblockers to ensure full functionality, note we only allow relevant management verified ads on BHW.